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Blue Devil.

Echium (EK-ee-um)

Family: Boraginaceae Non-native

Echium is a genus of about 70 plants that are native to Europe, N. Africa and Central Asia and are in the Boraginaceae (or Forget-me-not) family. These plants have naturalized in areas as South Africa, Australia, New Zealand and parts of South America and the United States. In some counties, they have become invasive. Echiums can be perennial, evergreen or semi-evergreen. They can be shrubs to short-lived perennials that die after flowering. Two years of growth must be completed before flowering will take place. Although some varieties will die after flowering, they will provide enough seed for the next year. Most types have deep tap roots to survive drought, narrow thick hairy leaves and tall showy spikes of blue, purple, pink, red or white tubular flowers that attract hummingbirds and bees. These plants prefer well-drained soils in full sun. They are drought and deer tolerant and most survive on neglect. If you live in a cold winter climate, some types can be grown in a pot and brought indoors for winter. Pruning is not necessary, however, a trim in the fall as well as the removal of the old flower spikes will give you a neater appearance while preventing the plant from becoming straggly. Insects, Diseases, and Other Plant Problems: No significant problems. Shelter from strong winds is advisable.

Source: NC State Extension Gardener Plant Toolbox ↗ NC State Extension Gardener Plant Toolbox, 66 attributes.

How it fits the guild

Optimal soil pH Acid (<6.0); Alkaline (>8.0); Neutral (6.0-8.0)
See companions & conflicts ↓

Companions & Conflicts

Curated pairwise relationships between this plant and others in the library — who feeds whom, who competes, who confuses the pests. Green reads as a good pairing, red as one to avoid.

No curated interactions recorded for this species yet.

Also noted by NC State

Related species the NC State Plant Toolbox flags for this plant — look-alikes to tell apart, and plants that play a similar role in a planting. Ones we carry in the library are linked.

Full plant profile

Growing Conditions
Plant type
Poisonous
Life cycle
Biennial; Perennial
USDA zones
9a, 9b, 10a, 10b, 11a, 11b
Light
Full sun (6 or more hours of direct sunlight a day)
Soil texture
Loam (Silt); Sand; Shallow Rocky
Soil pH
Acid (<6.0); Alkaline (>8.0); Neutral (6.0-8.0)
Soil drainage
Good Drainage | Moist | Occasionally Dry | Very Dry
Available space
3 feet-6 feet
Growth rate
Medium
Maintenance
Low
Form & Appearance
Habit / form
Erect
Texture
Medium
Leaf color
Green
Leaf type
Simple
Leaf arrangement
Alternate; Rosulate
Leaf shape
Elliptical; Lanceolate
Leaf margin
Entire
Leaf feel
Prickly; Rough
Leaf size
3-6 inches long, 1-3 inches wide
Hairs present
Yes
Leaf detail
Coarsely hairy, alternate, simple bristly, lance-shaped to elliptical leaves that vary in size. Some produce a rosette of leaves the first year and then a stem the second or third year.
Flower color
Blue; Pink; Purple/Lavender; Red/Burgundy; White
Flower value
Showy
Flower form
Cyme
Flower shape
Tubular
Flower detail
Many 5 petaled tubular flowers are produced on tall spikes. They can be blue, pink, red, white or purple and vary in size. Bloom time can be spring or summer depending on the species.
Bloom time
Spring; Summer
Fruit color
Brown/Copper
Fruit type
Schizocarp
Fruit size
< 1 inch long, < 1 inch wide
Fruit detail
Schizocarps dividing into mostly 4 nutlets
Stem color
Green; Purple/Lavender
Stem detail
Green stems that may have purple spotting and many hairs
Wildlife & Ecology
Native status
Non-native
Origin
Macaronesia, Europe to Central Asia, N. Africa
Distribution
Naturalized in US
Wildlife value
Host plant to some Lepidoptera species including Coleophora onosmella and orange swift. Hummingbirds are attracted to the tubular flowers.
Attracts
Bees; Hummingbirds
Play value
Attractive Flowers; Attracts Pollinators; Colorful; Wildlife Larval Host
Food & Medicine
Edible parts
Shoots; Stems
Fruit type
Schizocarp

Edibility

Some species are used as food by preparing tender shoots and stems.

Uses (ethnobotany)

The oil from the plants is used in cosmetics and herbal medicine.

Landscape Use
Landscape location
Container; Houseplants; Naturalized Area
Landscape theme
Drought Tolerant Garden; Pollinator Garden
Design feature
Border; Small groups
Garden tags
#tall #Mediterranean #purple #blue flowers #purple flowers #pink flowers #poisonous #pollinator plant #exotic looking #full sun tolerant #bee friendly #white flowers #drought tolerant #frost tender #pollinator garden #summer interest #summer flowers #wet soils intolerant #hummingbird friendly #clay soils intolerant #host plant #weedy
Problems & Resistance
Problems
Contact Dermatitis; Poisonous to Humans; Weedy
Resistant to
Deer; Drought
Propagation
Seed; Stem Cutting
Poison severity
Medium
Poison parts
Bark; Flowers; Fruits; Leaves; Roots; Sap/Juice; Seeds; Stems
Poison symptoms
CAUSES ONLY LOW TOXICITY IF EATEN. SKIN IRRITATION MINOR, OR LASTING ONLY FOR A FEW MINUTES. CAUSES SEVERE PAIN IN THE MOUTH IF EATEN! Digestive upset and liver damage as well as skin irritation from the coarse hairs.
Toxic principle
Pyrrolizidine alkaloids
Contact dermatitis
Yes
Toxicity summary
Medium severity poison; parts: Bark; Flowers; Fruits; Leaves; Roots; Sap/Juice; Seeds; Stems; contact dermatitis

Planted at Hunnicutt

Nobody’s planted this one yet.